Exercise 9-4 (Algo) Prepare a Flexible Budget Performance Report [LO9-4] Vulcan Flyovers offers scenic overflights of Mount Saint Helens, the volcano in Washington State that explosively erupted in 1982 Dota conceming the company's operations in July oppear below: The company measures its activity in terms of flights. Custohlers can buy individual tickets for overflights or hire an entire plane for an overflight at a discount. Required: 1. Prepare a flexible budget performance report for July that includes revenue and spending variances and activity variances. (Indicate the effect of each variance by selecting " F " for favorable, " U " for unfavorable, and "None" for no effect (i.e., zero variance), Input ali amounts as positive values.)